143036211481 has 4 divisors (see below), whose sum is σ = 151450106292. Its totient is φ = 134622316672.

The previous prime is 143036211469. The next prime is 143036211497. The reversal of 143036211481 is 184112630341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65538560025 + 77497651456 = 256005^2 + 278384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143036211481 is a prime.

It is a super-2 number, since 2×143036211481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143036211581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206947380 + ... + 4206947413.

It is an arithmetic number, because the mean of its divisors is an integer number (37862526573).

Almost surely, 2^143036211481 is an apocalyptic number.

It is an amenable number.

143036211481 is a deficient number, since it is larger than the sum of its proper divisors (8413894811).

143036211481 is an equidigital number, since it uses as much as digits as its factorization.

143036211481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413894810.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 143036211481 in words is "one hundred forty-three billion, thirty-six million, two hundred eleven thousand, four hundred eighty-one".